Tamsulosin

Pronounced tam-soo-LO-sin

Brand names: Flomax

Type: Alpha blocker (prostate medicine) · All Other Medicines

What Tamsulosin is used for

  • Urinary symptoms from an enlarged prostate
  • Helping some kidney and ureter stones pass

◆ Kidney note

Widely used to help ureteric stones pass; kidney function is not usually a barrier.

Common side effects

  • Dizziness on standing
  • Headache
  • Runny nose
  • Abnormal ejaculation
  • Weakness

Important cautions

  • Can cause a complication during cataract surgery (floppy iris syndrome) — always tell the eye surgeon you take or have taken it
  • Standing up slowly reduces fainting risk, especially with the first amounts

How it comes

Capsules. This guide lists forms only — it never lists strengths or doses.

Condition guides on MedicalVideos.com

Please note: This page is a patient-education summary, not medical advice, and it deliberately contains no doses. Medicines affect everyone differently — always follow your own prescription and talk to your doctor or pharmacist before starting, stopping or changing any medicine.